Audrey and Eric Hingston, 81 and 83, enjoy the twilight of their happy marriage in their cozy home until Eric's life was suddenly ended during a supposed burglary in 2003. Hosted by British actress and presenter Kym Marsh, Murder at My Door with Kym Marsh returns to explore four more cases of innocent people murdered by someone they thought they could trust. The stories show that someone’s safe place, their sanctuary, is also somewhere they can be at their most vulnerable. In the show, Kym Marsh narrates with her distinct empathetic style the tragic deaths of victims who unknowingly opened their door to evil, experiencing the ultimate betrayal in the most intimate of settings.